CO2
Baking Soda vs Baking Powder: The Chemistry That Makes Baked Goods Rise
Baking soda needs acid to work. Baking powder is self-contained. Here's the chemistry behind each, why substituting them fails, and when recipes use both.
BeginnerHow Yeast Makes Bread Rise: Fermentation, CO2, and Gluten Science
How does yeast make bread rise? Saccharomyces cerevisiae fermentation, CO2 production, gluten's role in trapping gas, and temperature effects explained.
Intermediate